# Service bulletin LI82.90\-P\-080891

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11036191
- Published by NHTSA: 2026\-08\-14
- Manufacturer's number: LI82.90\-P\-080891
- Manufacturer's date: 2026\-08\-13
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Complaint • Driving assistance system fault messages are displayed in the driver display. • The switch lighting flashes at night/in the dark. • The following fault codes are stored in the N135 – steering wheel electronics control unit \(LRE, SWSP174\): B104404, B12A04A, and B1E9F96. Cause Hardware does not match standard specifications. Remedy Replace the N135 steering wheel electronics control unit \(LRE, SWSP174\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036191-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036191-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Trouble codes named

B1044, B12A0, B1E9F

## Vehicles listed

- 2027 MERCEDES\-BENZ CLA 220
- 2026 to 2027 MERCEDES\-BENZ CLA 250\+ \(EV\)

JSON: [/v1/bulletins/11036191](/v1/bulletins/11036191)

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